Aiwei, a genius scholar in the field of artificial intelligence, was unfortunately swallowed up by a fire. He left two AIs to his son Aiosuke - detective Xiangyi and prisoner Yixiang. Yi Xiang specializes in committing crimes, while Xiang Yi solves the truth of the case. As twin AI sisters, they continue to grow through battles.
After a duel with a terrorist organization, Xiang Yi's ability was recognized, but his whereabouts are still unknown. A naked male corpse is discovered on the coast of Tsushima. The deceased turned out to be the son of the current Japanese Prime Minister, and various clues indicate that Ixiang is related to the murder. As an AI consultant assisting the police in the investigation, Xiang Yiyufu was invited to the Prime Minister's official residence. What kind of showdown will the twin sisters face...
